metasploit | d96612e554c0881095fe528df5241defe2d3daf825a675292098bf5f5463d05b

General

Target

d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
Size

255KB
MD5

d4423546116f52e7d8c6b871ae09766a
SHA1

bfc7641da8554acad29cd8dd073da42a58a6f4e7
SHA256

d96612e554c0881095fe528df5241defe2d3daf825a675292098bf5f5463d05b
SHA512

3e9e8cb9c6da821523f6f0d02f1fa4935eb6b02248b8aac520aeec1cd20a65d686f4457e07d256172b8feca6a733318b9abc5f23617c6600be523f73fd958e6e
SSDEEP

6144:Jgw3L+3kUKOALinrGAf38QJaElUBxXcA0JmBdYtk7ce:Jb7IkUKOrrGYsaZWzvi4J7c

Score

10^/10

metasploit backdoor discovery evasion persistence trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Modifies firewall policy service 3 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxsh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsh86.exe = "C:\\Windows\\SysWOW64\\igfxsh86.exe:*:Enabled:Intel Monitor Driver"	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxsh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsh86.exe = "C:\\Windows\\SysWOW64\\igfxsh86.exe:*:Enabled:Intel Monitor Driver"	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxsh86.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3700	igfxsh86.exe

Executes dropped EXE 2 IoCs

pid	Process
1168	igfxsh86.exe
3700	igfxsh86.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1792-2-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1792-3-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1792-4-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1792-5-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3700-44-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1792-45-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3700-47-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3700-48-0x0000000000400000-0x0000000000452000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Monitor Driver = "C:\\Windows\\SysWOW64\\igfxsh86.exe"	igfxsh86.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxsh86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxsh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxsh86.exe	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxsh86.exe	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxsh86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4072 set thread context of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 1168 set thread context of 3700	1168	igfxsh86.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxsh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxsh86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
3700	igfxsh86.exe
3700	igfxsh86.exe
3700	igfxsh86.exe
3700	igfxsh86.exe
3700	igfxsh86.exe
3700	igfxsh86.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1792	4072	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	83
PID 1792 wrote to memory of 1168	1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	88
PID 1792 wrote to memory of 1168	1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	88
PID 1792 wrote to memory of 1168	1792	d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe	88
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 1168 wrote to memory of 3700	1168	igfxsh86.exe	89
PID 3700 wrote to memory of 3460	3700	igfxsh86.exe	56
PID 3700 wrote to memory of 3460	3700	igfxsh86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3460
- C:\Users\Admin\AppData\Local\Temp\d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Users\Admin\AppData\Local\Temp\d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d4423546116f52e7d8c6b871ae09766a_JaffaCakes118.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1792
  - - C:\Windows\SysWOW64\igfxsh86.exe
      "C:\Windows\SysWOW64\igfxsh86.exe" C:\Users\Admin\AppData\Local\Temp\D44235~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1168
    - - C:\Windows\SysWOW64\igfxsh86.exe
        
        "C:\Windows\SysWOW64\igfxsh86.exe" C:\Users\Admin\AppData\Local\Temp\D44235~1.EXE
        5⤵
        Modifies firewall policy service
        Deletes itself
        Executes dropped EXE
        Adds Run key to start application
        Maps connected drives based on registry
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\igfxsh86.exe

Filesize
255KB

MD5
d4423546116f52e7d8c6b871ae09766a

SHA1
bfc7641da8554acad29cd8dd073da42a58a6f4e7

SHA256
d96612e554c0881095fe528df5241defe2d3daf825a675292098bf5f5463d05b

SHA512
3e9e8cb9c6da821523f6f0d02f1fa4935eb6b02248b8aac520aeec1cd20a65d686f4457e07d256172b8feca6a733318b9abc5f23617c6600be523f73fd958e6e

Download Submit
memory/1792-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1792-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1792-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1792-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1792-45-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3700-44-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3700-47-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3700-48-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads